Rev clock not working???

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25-12-10, 17:28
topdog

Rev clock not working???

Had my car parked up for the last week or so because of the snow and ice. Its a 98 180. Got into it today and notice the rev needle was bouncing all over the place and not reading acuratly. Got into the car later on again and it worked perfect for a couple of minutes then stopped working completly then started bouncing around the place again. Kinda sounds like a bad connection or something to me but dont know where or anything??? Any help or suggestions would be great, Thanks
25-12-10, 17:40
BN Schnider

speed sensor on the gearbox mabey?
25-12-10, 18:18
topdog

Ya maybe so. any chance it would be just the cold or something? Dont fancy working on the car in this cold!!!
26-12-10, 11:58
Dar180

wires could just b damp from sittin up,use to happen a 180 i had..
26-12-10, 12:07
topdog

Quote:

Originally Posted by Dar180

wires could just b damp from sittin up,use to happen a 180 i had..

Hopefully ill give it a few days of driving anyway to see if it sorts itself out.
26-12-10, 18:30
serious tom

does a 180 read the rev's off the box? As I have a random sensor lying under the passo seat...
26-12-10, 19:55
topdog

Dont know lad to be honest illhave to have a look at it tomorrow
27-12-10, 10:35
colm

Quote:

Originally Posted by serious tom

does a 180 read the rev's off the box? As I have a random sensor lying under the passo seat...

Tacho reads from the block. Gearbox gives speed, reverse and neutral readings
27-12-10, 12:27
serious tom

Quote:

Originally Posted by colm

Tacho reads from the block. Gearbox gives speed, reverse and neutral readings

Thanks.
Any idea what sensor I have floating about under the passo seat then?
27-12-10, 12:29
topdog

Quote:

Originally Posted by serious tom

Thanks.
Any idea what sensor I have floating about under the passo seat then?

Maybe for the seatbelt??
27-12-10, 12:44
ian g sr20

Quote:

Originally Posted by serious tom

Thanks.
Any idea what sensor I have floating about under the passo seat then?

could be lambda sensor
27-12-10, 12:45
babyeater690

it could be ice or snow melting on to a censor start the car up in a dry spot and leave it running for a while had the same problem with my legacy only i found my problem was a small gearbox leak straight onto a censor hope yours is just water:)
27-12-10, 12:52
topdog

Quote:

Originally Posted by babyeater690

it could be ice or snow melting on to a censor start the car up in a dry spot and leave it running for a while had the same problem with my legacy only i found my problem was a small gearbox leak straight onto a censor hope yours is just water:)

I was kinda hoping it was but as time goes on I dont think so as the rev clock has just stopped working. Ill have a nose around at it there in a while and see if I spot anything sure:rolleyes:
27-12-10, 13:12
tweek

@serious tom Probably the temp sensor for the cat when disconnected the normally get pushed back in through the grommet underneath the seat

Check the wires on the drivers side front arch for rubbing also check the fuse box next to the afm the wires underneath the box sometimes get worn and short then recheck you fuses in the drivers side footwell after that check for loose wiring behind the dash
29-12-10, 15:48
topdog

Were is the sensor on the blockfor the rev clock??? :confused:
29-12-10, 17:28
topdog

Anybody? :(
04-01-11, 12:46
topdog

Stopped working completely for a couple of days then gradually started working/bouncing then yesterday and today is working perfect!! Must have been moisture or something over the weather!!
Thanks for the help